The Cover: Immunofluorescence staining demonstrating an Ebola virus-positive dendritic cell in the lymph node of a cynomolgus monkey on the fourth day after infection. Ebola virus antigens are shown in red, the dendritic cell marker (DC-SIGN) appears green, and areas positive for both Ebola virus antigens and DC-SIGN are stained orange/gold. (See page 2347.)